{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948893,-0.315598,0.000000,0.000000,0.176355,-0.530237,0.829306,0.000000,-0.261176,0.785266,0.561377,0.000000,-1667577.414124,5013825.847473,3560328.367784,1],    "boundingVolume": {    "region": [1.891814,0.595996,1.891952,0.596102,0.000000,6.826261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1068426.b3dm"}}}